<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>演示数据</title>
</head>
<body>
    <form>
        <input type="text" value="用户名" id="account"><br>
        <input type="password" value="密码" id="password"><br>
    </form>
</body>
</html>